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Check: AIX7-00-003051

IBM AIX 7.x STIG: AIX7-00-003051 (in versions v2 r9 through v1 r1)

Title

If IPv6 is not utilized on AIX server, the autoconf6 daemon must be disabled. (Cat II impact)

Discussion

"autoconf6" is used to automatically configure IPv6 interfaces at boot time. Running this service may allow other hosts on the same physical subnet to connect via IPv6, even when the network does not support it. Disable this unless you use IPv6 on the server.

Check Content

From the command prompt, execute the following command: # grep "^start[[:blank:]]/usr/sbin/autoconf6" /etc/rc.tcpip If there is any output from the command, this is a finding.

Fix Text

In "/etc/rc.tcpip", comment out the "autoconf6" entry by running command: # chrctcp -d autoconf6

Additional Identifiers

Rule ID: SV-215357r513945_rule

Vulnerability ID: V-215357

Group Title: SRG-OS-000095-GPOS-00049

Expert Comments

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CCIs

CCIs tied to check.

Number	Definition
CCI-000381	The organization configures the information system to provide only essential capabilities.

Controls

Controls tied to check. These are derived from the CCIs shown above.

Number	Title
CM-7	Least Functionality